ipr.cc revision 5543:3af77710f397
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#include <assert.h>
32#include <string.h>
33
34#include "arch/alpha/ipr.hh"
35
36namespace AlphaISA
37{
38    md_ipr_names MiscRegIndexToIpr[NumInternalProcRegs] =
39    {
40        //Write only
41        RAW_IPR_HWINT_CLR,      // H/W interrupt clear register
42        RAW_IPR_SL_XMIT,        // serial line transmit register
43        RAW_IPR_DC_FLUSH,
44        RAW_IPR_IC_FLUSH,       // instruction cache flush control
45        RAW_IPR_ALT_MODE,       // alternate mode register
46        RAW_IPR_DTB_IA,         // DTLB invalidate all register
47        RAW_IPR_DTB_IAP,        // DTLB invalidate all process register
48        RAW_IPR_ITB_IA,         // ITLB invalidate all register
49        RAW_IPR_ITB_IAP,        // ITLB invalidate all process register
50
51        //Read only
52        RAW_IPR_INTID,          // interrupt ID register
53        RAW_IPR_SL_RCV,         // serial line receive register
54        RAW_IPR_MM_STAT,        // data MMU fault status register
55        RAW_IPR_ITB_PTE_TEMP,   // ITLB page table entry temp register
56        RAW_IPR_DTB_PTE_TEMP,   // DTLB page table entry temporary register
57
58        RAW_IPR_ISR,            // interrupt summary register
59        RAW_IPR_ITB_TAG,        // ITLB tag register
60        RAW_IPR_ITB_PTE,        // ITLB page table entry register
61        RAW_IPR_ITB_ASN,        // ITLB address space register
62        RAW_IPR_ITB_IS,         // ITLB invalidate select register
63        RAW_IPR_SIRR,           // software interrupt request register
64        RAW_IPR_ASTRR,          // asynchronous system trap request register
65        RAW_IPR_ASTER,          // asynchronous system trap enable register
66        RAW_IPR_EXC_ADDR,       // exception address register
67        RAW_IPR_EXC_SUM,        // exception summary register
68        RAW_IPR_EXC_MASK,       // exception mask register
69        RAW_IPR_PAL_BASE,       // PAL base address register
70        RAW_IPR_ICM,            // instruction current mode
71        RAW_IPR_IPLR,           // interrupt priority level register
72        RAW_IPR_IFAULT_VA_FORM, // formatted faulting virtual addr register
73        RAW_IPR_IVPTBR,         // virtual page table base register
74        RAW_IPR_ICSR,           // instruction control and status register
75        RAW_IPR_IC_PERR_STAT,   // inst cache parity error status register
76        RAW_IPR_PMCTR,          // performance counter register
77
78        // PAL temporary registers...
79        // register meanings gleaned from osfpal.s source code
80        RAW_IPR_PALtemp0,       // local scratch
81        RAW_IPR_PALtemp1,       // local scratch
82        RAW_IPR_PALtemp2,       // entUna
83        RAW_IPR_PALtemp3,       // CPU specific impure area pointer
84        RAW_IPR_PALtemp4,       // memory management temp
85        RAW_IPR_PALtemp5,       // memory management temp
86        RAW_IPR_PALtemp6,       // memory management temp
87        RAW_IPR_PALtemp7,       // entIF
88        RAW_IPR_PALtemp8,       // intmask
89        RAW_IPR_PALtemp9,       // entSys
90        RAW_IPR_PALtemp10,      // ??
91        RAW_IPR_PALtemp11,      // entInt
92        RAW_IPR_PALtemp12,      // entArith
93        RAW_IPR_PALtemp13,      // reserved for platform specific PAL
94        RAW_IPR_PALtemp14,      // reserved for platform specific PAL
95        RAW_IPR_PALtemp15,      // reserved for platform specific PAL
96        RAW_IPR_PALtemp16,      // scratch / whami<7:0> / mces<4:0>
97        RAW_IPR_PALtemp17,      // sysval
98        RAW_IPR_PALtemp18,      // usp
99        RAW_IPR_PALtemp19,      // ksp
100        RAW_IPR_PALtemp20,      // PTBR
101        RAW_IPR_PALtemp21,      // entMM
102        RAW_IPR_PALtemp22,      // kgp
103        RAW_IPR_PALtemp23,      // PCBB
104
105        RAW_IPR_DTB_ASN,        // DTLB address space number register
106        RAW_IPR_DTB_CM,         // DTLB current mode register
107        RAW_IPR_DTB_TAG,        // DTLB tag register
108        RAW_IPR_DTB_PTE,        // DTLB page table entry register
109
110        RAW_IPR_VA,             // fault virtual address register
111        RAW_IPR_VA_FORM,        // formatted virtual address register
112        RAW_IPR_MVPTBR,         // MTU virtual page table base register
113        RAW_IPR_DTB_IS,         // DTLB invalidate single register
114        RAW_IPR_CC,             // cycle counter register
115        RAW_IPR_CC_CTL,         // cycle counter control register
116        RAW_IPR_MCSR,           // MTU control register
117
118        RAW_IPR_DC_PERR_STAT,   // Dcache parity error status register
119        RAW_IPR_DC_TEST_CTL,    // Dcache test tag control register
120        RAW_IPR_DC_TEST_TAG,    // Dcache test tag register
121        RAW_IPR_DC_TEST_TAG_TEMP, // Dcache test tag temporary register
122        RAW_IPR_DC_MODE,        // Dcache mode register
123        RAW_IPR_MAF_MODE        // miss address file mode register
124    };
125
126    int IprToMiscRegIndex[MaxInternalProcRegs];
127
128    void initializeIprTable()
129    {
130        static bool initialized = false;
131        if(initialized)
132            return;
133
134        memset(IprToMiscRegIndex, -1, MaxInternalProcRegs * sizeof(int));
135
136        for(int x = 0; x < NumInternalProcRegs; x++)
137            IprToMiscRegIndex[MiscRegIndexToIpr[x]] = x;
138    }
139}
140
141